FIND: New Software Tool Identifies Population-Enriched Pathogenic Variants in Genetic Databases
Researchers developed FIND, a web-based tool that identifies pathogenic variants enriched in specific populations within the gnomAD genetic database. The tool addresses a gap in genetic research by revealing disease variants that are disproportionately common in particular ancestry groups but underrepresented in overall databases. This approach is particularly valuable for improving genetic screening and understanding disease burden in populations historically underrepresented in genetic studies.
FIND (Founder candidates hidden IN Data) is a newly developed software tool designed to identify pathogenic and loss-of-function variants that are enriched within specific populations in the gnomAD database. Founder mutations—variants that arose in a single ancestor and became concentrated in descendant populations through genetic bottlenecks and endogamy—are important for targeted disease screening, but many remain difficult to identify in large datasets. The researchers tested FIND on four genes (FLNC, TMEM127, MYH7, and BRCA2) and successfully identified nine known founder mutations and seven candidate founders. Notably, candidates enriched in African American and admixed American populations were validated using the All of Us database, demonstrating the tool's utility for populations historically underrepresented in genetic research. The source code is freely available under an MIT license, and a web interface is publicly accessible, making the tool available to the research community.
Limitations & open questions
The study does not discuss potential limitations of the tool, such as sensitivity and specificity metrics, false positive rates, or how the tenfold enrichment threshold was determined and validated. Additionally, the scope of validation is limited to four genes, and the generalizability of findings to other genes or variant types is not explicitly addressed.
What different sources said
- bioRxivCenter
FIND: a software tool for identifying population-enriched pathogenic variants in gnomAD
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